How to Repair Rock Pockets in Concrete
Concrete is a construction material made from a blend of Portland cement, water, and gravel. While concrete is one of the most durable and versatile materials available, it is also susceptible to many potential problems. Most concrete issues stem from improper installation, and can include spalling, cracking, pitting, and rock pockets. Rock pockets are simply clusters of gravel that are not properly bonded with concrete mix. Luckily, it's relatively easy to repair these rock pockets and restore the strength and appearance of your concrete surface. Does this Spark an idea?
Things You'll Need
- Chisel
- Hammer
- Wire brush
- Wire mesh
- Concrete mix
- Water
- Bucket
- Drill with paddle bit
- Coat hanger
- 2x4
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Instructions
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Use a chisel and hammer to chip away any loose stone or rocks in the voids. Once you have loosened them with your chisel, use a wire brush to sweep them away for disposal.
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Cut a piece of wire mesh to fit inside each hole or pocket. Lay the mesh at the bottom of the void for the time being.
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Blend concrete mix and water in a bucket. Use a drill with a paddle bit to keep the mixture well blended as you prepare to pour it.
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Pour the concrete mix into each hole, filling the hole slightly more than what is required for it to be level. Use a coat hanger or similar hooked object to pull the wire mesh up so that it rests in the center of the void, when measured from top to bottom.
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Use a 2x4 to smooth the top of each patched area until it is level with the rest of the floor. Clean up and dispose of all excess concrete.
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Mist each patched area with water twice a day for three days following the repair job. The added moisture will allow the concrete to set properly and will help prevent future damage.
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Tips & Warnings
Do not add too much water when mixing your concrete. Concrete that is too wet will not cure properly, and will develop cracks and other problems over time.
- Photo Credit Wiki Commons
